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Environmental fate & pathways

Henry's Law constant

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Description of key information

From the water surface the substance will not evaporate into the atmosphere.

For diethylene glycol the Henry's Law constant is calculated to be 0.0002 Pa·m³/mole based on the Bond method. Substances with a Henry's Law constant of <100 Pa·m³/mole will not evaporate into the atmosphere from the water surface.

Key value for chemical safety assessment

Additional information

QSAR-disclaimer

In Article 13 of Regulation (EC) No 1907/2006, it is laid down that information on intrinsic properties of substances may be generated by means other than tests, provided that the conditions set out in Annex XI (of the same Regulation) are met. According to Annex XI of Regulation (EC) No 1907/2006 (Q)SAR results can be used if (1) the scientific validity of the (Q)SAR model has been established, (2) the substance falls within the applicability domain of the (Q)SAR model, (3) the results are adequate for the purpose of classification and labeling and/or risk assessment and (4) adequate and reliable documentation of the applied method is provided. 

For the assessment of diethylene glycol (Q)SAR results were used for the Henry's law constant.The criteria listed in Annex XI of Regulation (EC) No 1907/2006 are considered to be adequately fulfilled and therefore the endpoint(s) sufficiently covered and suitable for risk assessment.